.ad818_wrap {
  width: 100%;
  height: 373px;
}

.ad818 {
  height: 373px;
  position: relative;
  overflow: hidden;
}

.ad818>img {
  width: 1920px;
  margin-left: -960px;
  position: absolute;
  top: 0;
  left: 50%;
}

.ad_center {
  width: 100%;
  height: 213px;
  position: absolute;
  bottom: 10px;
}

.ad_center>ul {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
}

.ad_center>ul>li {
  width: 230px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.ad_center>ul>li>.top_a {
  display: inline-block;
  width: 100%;
  height: 130px;
  text-align: center;
  flex-shrink: 0;
}

.ad_center>ul>li>.top_a>img {
  width: 120px;
  height: 120px;
  margin-top: 10px;
}

.ad_center>ul>li>.bottom_a {
  display: inline-block;
  flex: 1;
  text-align: center;
}

.ad_center>ul>li>.bottom_a>.title {
  color: #fff;
  width: 210px;
  height: 28px;
  line-height: 28px;
  font-size: 20px;
  margin: 0 auto;
  margin-top: 16px;
  margin-bottom: 6px;

}

.ad_center>ul>li>.bottom_a>.desc {
  width: 200px;
  height: 22px;
  margin: 0 auto;
  line-height: 22px;
  font-size: 16px;
  color: #ff353f;
}